:1. Power supply: USB2. Control method: mechanical3. Applicable parts: neck4. Massage techniques: wiretap, massage, wiretap, kneading5. Massage contacts: 26. Color: glutinous rice white, girl pink, classic bluefeature of product:1. Newly upgraded red light physiotherapy, sooth meridians and relieve neck stiffness2. Newly upgraded intelligent voice, automatic combination mode, intensity one, intensity two, red light physiotherapy voice broadcast, low heat/high grade3. Smart key adjustment4.42 constant temperature hot compress5.5 massage modes, 16 levels of strength adjustment6.360 fit the neck7. Intelligent power-off protection, safety guarantee8. Airbag neck protector, comfortable and skin-friendly9. Good rebound and high toughness